‌An electric diaphragm pump is a new type of pump, primarily used in industries such as petrochemical, ceramics, and metallurgy. Its features include no need for priming water, strong self-priming capability, no leakage of medium, and a long service life. The electric diaphragm pump operates by the motor driving the diaphragm to reciprocate, utilizing the alternating opening and closing of a one-way ball valve to achieve the intake and discharge of liquid.

Operating Principle

The working principle of the electric diaphragm pump is that the motor drives the reducer, causing the diaphragm to move back and forth. Inside the pump chamber, the one-way ball valve alternately opens and closes with the movement of the diaphragm, thereby suctioning and discharging the liquid. This design ensures that the pump itself has no shaft seal, completely separating the medium from the transmission mechanical parts, thus avoiding leakage issues.

Application Fields

Electric diaphragm pumps are widely used in industries such as painting, ceramics, environmental protection, wastewater treatment, construction, sewage discharge, and fine chemicals. Due to their strong self-priming ability, simple structure, and convenient maintenance, electric diaphragm pumps hold a significant position in these fields.

Pros and Cons

‌Advantages:

No need for water injection; strong self-priming capability.

Medium will not leak outward, with a long service life.

Compact and lightweight, with a small volume.

Suitable for various media, such as mud, granules, etc.

‌Drawbacks:‌

Particle diameter is limited, typically applicable to particles less than 10 millimeters in diameter.